diff --git a/app/models/clusters/concerns/application_status.rb b/app/models/clusters/concerns/application_status.rb
index 9ecd7229604..5c0164831bc 100644
--- a/app/models/clusters/concerns/application_status.rb
+++ b/app/models/clusters/concerns/application_status.rb
@@ -80,10 +80,6 @@ module Clusters
         installed? || updated?
       end
 
-      def ready?
-        installed? || updating? || updated? || update_errored?
-      end
-
       def update_in_progress?
         updating?
       end
diff --git a/app/services/prometheus/adapter_service.rb b/app/services/prometheus/adapter_service.rb
index a791845ba20..3be958e1613 100644
--- a/app/services/prometheus/adapter_service.rb
+++ b/app/services/prometheus/adapter_service.rb
@@ -30,7 +30,7 @@ module Prometheus
       return unless deployment_platform.respond_to?(:cluster)
 
       cluster = deployment_platform.cluster
-      return unless cluster.application_prometheus&.ready?
+      return unless cluster.application_prometheus&.available?
 
       cluster.application_prometheus
     end
diff --git a/spec/services/prometheus/adapter_service_spec.rb b/spec/services/prometheus/adapter_service_spec.rb
index 5fe9668fd9d..505e2935e93 100644
--- a/spec/services/prometheus/adapter_service_spec.rb
+++ b/spec/services/prometheus/adapter_service_spec.rb
@@ -22,7 +22,7 @@ describe Prometheus::AdapterService do
     context "prometheus service can't execute queries" do
       let(:prometheus_service) { double(:prometheus_service, can_query?: false) }
 
-      context 'with cluster with prometheus not yet installed' do
+      context 'with cluster with prometheus not available' do
         let!(:prometheus) { create(:clusters_applications_prometheus, :installable, cluster: cluster) }
 
         it 'returns nil' do
@@ -30,7 +30,7 @@ describe Prometheus::AdapterService do
         end
       end
 
-      context 'with cluster with prometheus installed' do
+      context 'with cluster with prometheus available' do
         let!(:prometheus) { create(:clusters_applications_prometheus, :installed, cluster: cluster) }
 
         it 'returns application handling all environments' do
diff --git a/spec/support/shared_examples/models/cluster_application_status_shared_examples.rb b/spec/support/shared_examples/models/cluster_application_status_shared_examples.rb
index 18b279658bc..c96a65cb56a 100644
--- a/spec/support/shared_examples/models/cluster_application_status_shared_examples.rb
+++ b/spec/support/shared_examples/models/cluster_application_status_shared_examples.rb
@@ -138,32 +138,6 @@ shared_examples 'cluster application status specs' do |application_name|
     end
   end
 
-  describe '#ready?' do
-    using RSpec::Parameterized::TableSyntax
-
-    where(:trait, :ready) do
-      :not_installable  | false
-      :installable      | false
-      :scheduled        | false
-      :installing       | false
-      :installed        | true
-      :updating         | true
-      :updated          | true
-      :errored          | false
-      :update_errored   | true
-    end
-
-    with_them do
-      subject { build(application_name, trait) }
-
-      if params[:ready]
-        it { is_expected.to be_ready }
-      else
-        it { is_expected.not_to be_ready }
-      end
-    end
-  end
-
   describe '#available?' do
     using RSpec::Parameterized::TableSyntax